package org.junit.tests.junit3compatibility;

import static org.junit.Assert.assertEquals;
import junit.extensions.TestDecorator;
import junit.framework.JUnit4TestAdapter;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.junit.Assert;
import org.junit.Test;
import org.junit.internal.runners.JUnit38ClassRunner;
import org.junit.runner.Description;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunListener;

public class JUnit38ClassRunnerTest {
	public static class MyTest extends TestCase {
		public void testA() {
			
		}
	}
	
	@Test public void plansDecoratorCorrectly() {
		JUnit38ClassRunner runner= new JUnit38ClassRunner(new TestDecorator(new TestSuite(MyTest.class)));
		assertEquals(1, runner.testCount());
	}
	
	public static class AnnotatedTest {
		@Test public void foo() {
			Assert.fail();
		}
	}
	
	@Test public void canUnadaptAnAdapter() {
		JUnit38ClassRunner runner= new JUnit38ClassRunner(new JUnit4TestAdapter(AnnotatedTest.class));
		Result result= new JUnitCore().run(runner);
		Failure failure= result.getFailures().get(0);
		assertEquals(Description.createTestDescription(AnnotatedTest.class, "foo"), failure.getDescription());
	}
	
	static int count;
	
	static public class OneTest extends TestCase {
		public void testOne() {
		}
	}
	
	@Test public void testListener() throws Exception {
		JUnitCore runner= new JUnitCore();
		RunListener listener= new RunListener() {
			@Override
			public void testStarted(Description description) {
				assertEquals(Description.createTestDescription(OneTest.class, "testOne"), 
						description);
				count++;
			}
		};
		
		runner.addListener(listener);
		count= 0;
		Result result= runner.run(OneTest.class);
		assertEquals(1, count);
		assertEquals(1, result.getRunCount());
	}
	
	public static class ClassWithInvalidMethod extends TestCase {
		@SuppressWarnings("unused")
		private void testInvalid() {}
	}
	
	@Test public void invalidTestMethodReportedCorrectly() {
		Result result= JUnitCore.runClasses(ClassWithInvalidMethod.class);
		Failure failure= result.getFailures().get(0);
		assertEquals("warning", failure.getDescription().getMethodName());
		assertEquals("junit.framework.TestSuite$1", failure.getDescription().getClassName());
	}

}